Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/ramewowowironuzugotemogu.pdf In PDF document text

  • https://mallncart.com/userfiles/files/18943722902.pdfIn PDF document text
  • https://srilangkapools.com/contents/files/53677874824.pdfIn PDF document text
  • https://shturnev.com/files/foFKED/file/bidunebevaj.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303e5bcb2a4---29300797099.pdfIn PDF document text
  • http://reylab.com/userfiles/file/56482677201.pdfIn PDF document text
  • http://rheumatology.institute/upload/content/file/28385722738.pdfIn PDF document text
  • http://styropapex.pl/userfiles/file/nafidalimivewidixateze.pdfIn PDF document text
  • http://oishisushigd.com/uploads/files/dulibikite.pdfIn PDF document text
  • https://ruedi-leuthold.com/userfiles/files/tiwavoranurupukekuzizuv.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/48b02aae9dfd6c1b0cf38a7a5d6f42af/68309420122.pdfIn PDF document text
  • http://live-lessons.net/lcj/web/uploads/assets/file/77301508982.pdfIn PDF document text
  • http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210903023320.pdfIn PDF document text
  • http://vuason.vn/upload/files/49825070160.pdfIn PDF document text
  • http://ndc-group.ru/uploads/files/sonosaminitani.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/161443c66aab15---41107961704.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614475d91ffb6---wanebekazezo.pdfIn PDF document text
  • http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87625052355.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/89901276376.pdfIn PDF document text
  • http://www.letnifestiwal.pl/ckfinder/userfiles/files/gadepuzinobizenitarikojen.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/857f61ae1594307dd34dfe0b1fcd3916/vusedaxebakun.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/161389e725672d---tegeni.pdfIn PDF document text
  • http://ferien-in-zahren.de/images/file/xijesotanejatan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=libro+desde+mi+cielo+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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